The Single Burning Item (SBI) Flammability Tester is a widely recognized testing apparatus that is used to measure the fire behavior of building materials. This test is conducted as per the EN 13823 standard, which sets out the requirements for testing the reaction to fire of building materials.

The SBI Flammability Tester is a comprehensive test that provides information on various aspects of the fire behavior of building materials, including heat release, smoke production, and the spread of flames. The apparatus consists of a test chamber, a sample holder, a burner, a gas flow measurement system, and a data acquisition system.

During the test, a sample of the building material is mounted onto the sample holder and placed inside the test chamber. The burner is then positioned to ignite the sample, and the gas flow measurement system is used to control the flow of gas to the burner.

The test procedure specified in EN 13823 involves subjecting the material to a heat flux of 50 kW/m² for a period of 30 minutes while monitoring various parameters such as heat release rate, mass loss, smoke production, and the spread of flames. The data acquisition system is used to collect and record these parameters, which are then used to determine the classification of the material in terms of its reaction to fire.

The SBI Flammability Tester as per standard EN 13823 provides a reliable means of testing the reaction to fire of various building materials, including insulation materials, cladding, facades, and roofing materials. The test results obtained from the SBI Flammability Tester are used to determine the fire behavior of these materials and to classify them in terms of their reaction to fire.

The EN 13823 standard specifies the requirements for conducting the SBI Flammability Test and provides guidelines for interpreting the test results. The standard also specifies the minimum requirements for the construction of the SBI Flammability Tester to ensure consistency and accuracy in the testing process.

In conclusion, the SBI Flammability Tester as per standard EN 13823 is an essential tool for ensuring the safety of the public. The test provides a comprehensive evaluation of the fire behavior of building materials and helps to determine their classification in terms of their reaction to fire. The results obtained from the SBI Flammability Tester are used to ensure that building materials meet strict fire safety standards, and it is an essential tool for building materials manufacturers, construction companies, and regulatory authorities responsible for ensuring public safety.